US6633420B2 - Optoelectronic transceiver module - Google Patents
Optoelectronic transceiver module Download PDFInfo
- Publication number
- US6633420B2 US6633420B2 US09/939,159 US93915901A US6633420B2 US 6633420 B2 US6633420 B2 US 6633420B2 US 93915901 A US93915901 A US 93915901A US 6633420 B2 US6633420 B2 US 6633420B2
- Authority
- US
- United States
- Prior art keywords
- housing
- optoelectronic
- chassis
- circuit board
- receptacle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime, expires
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7082—Coupling device supported only by cooperation with PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
Definitions
- the present invention generally relates to optoelectronic transceiver modules for fiber-optic communications, and in particular to optoelectronic transceiver modules which can be conveniently assembled and which are reliable.
- Optoelectronic transceiver modules provide for bi-directional transmission of data between an electrical interface and an optical data link.
- the module receives electrically encoded data signals which are converted into optical signals and transmitted over the optical data link.
- the module receives optically encoded data signals which are converted into electrical signals and transmitted onto the electrical interface.
- transceiver module which is highly reliable and durable. All parts of the module must be securely fixed together to avoid displacement of any part during use of the module. There is also a need for the module to be easily assembled.
- U.S. Pat. No. 6,178,096 B1 discloses a conventional optoelectronic transceiver module.
- the module comprises a top cover and a bottom cover.
- the top bottom covers are fixed together by mating a position post of the top cover in a hole of the bottom cover.
- the top and bottom covers thereby enclose a printed circuit board (PCB) and optoelectronic components.
- PCB printed circuit board
- the top and bottom covers of the module are easily displaced, thus reducing the efficacy of the module.
- U.S. Pat. No. Re. 36,820 discloses another conventional optoelectronic transceiver module.
- a PCB and other optoelectronic components are placed in a rectangular box.
- potting material By injecting potting material into the box, the PCB and the optoelectronic components can be enclosed.
- the enclosure of the transceiver module fixes and protects the PCB.
- potting material is expensive and unduly troublesome to use.
- one object of the present invention is to provide a transceiver module, all parts of which are fixed together reliably.
- Another object of the present invention is to provide a transceiver module which can be easily and quickly assembled.
- the transceiver module of the present invention comprises a housing, an optoelectronic subassembly, a receptacle, a chassis and a PCB.
- the optoelectronic subassembly is received in the receptacle.
- Conductive leads of the optoelectronic subassembly are soldered to the PCB.
- the chassis is attached to the PCB with screws, and accommodates and protects the PCB.
- the housing comprises a top housing and a bottom housing.
- the top housing is attached to the chassis and the receptacle.
- the top housing and the bottom housing are attached together, enclosing therein the receptacle, the chassis and the PCB.
- FIG. 1 is an exploded perspective view of an optoelectronic transceiver module in accordance with the present invention
- FIG. 2 is an exploded perspective view of the optoelectronic transceiver module of FIG. 1, but viewed from another aspect;
- FIG. 3 is an exploded perspective view of the optoelectronic transceiver module of FIG. 1, but viewed from still another aspect;
- FIG. 4 is an assembled view of the optoelectronic transceiver module of FIG. 1 .
- an optoelectronic transceiver module 99 in accordance with the present invention has a top housing 1 , a bottom housing 2 , a chassis 3 , a receptacle 4 , a PCB 5 and an optoelectronic subassembly 6 .
- the receptacle 4 has the shape of an oblong box.
- the receptacle 4 comprises a front portion 43 and a rear portion 44 .
- the size of the front portion 43 is large than that of the rear portion 44 .
- a rear face 431 is defined on the front portion 43 around a periphery of a junction of the front and rear portions 43 , 44 , for abutting a front edge of the top housing 1 .
- the front portion 43 defines two openings 41 , 42 though the receptacle 4 .
- Rear portions of the openings 41 , 42 are for receiving the optoelectronic subassembly 6 , and front portions of the openings 41 , 42 are for connecting with an optical connector (not shown) to output optical signals.
- the optoelectronic subassembly 6 comprises a transceiver.
- the transceiver comprises a transmitter 61 and a receiver 62 .
- the transmitter 61 may typically be a laser diode (LD) or light emitting diode (LED), and the receiver 62 may typically be a photo diode.
- a plurality of conductive leads 605 extends from a rear of the transceiver, and is soldered to the PCB 5 .
- Two T-shaped grooves 441 are defined in a bottom surface of the rear portion 44 of the receptacle 4 , for engagement of the receptacle 4 with the top housing 1 .
- a pair of protuberances 442 is formed on a top surface of the receptacle 4 .
- the PCB 5 has a narrow rear section 52 and a wide front section 51 .
- Three position holes 511 are defined through the PCB 5 in the vicinity of three edges thereof respectively.
- the conductive leads 605 of the optoelectronic subassembly 6 are soldered to the front section 51 of the PCB 5 , to establish electrical contact between the optoelectronic subassembly 6 and the PCB 5 .
- the rear section 52 of the PCB 5 has a row of electrical contacts 520 at a rear end thereof, for electrical connection of the PCB 5 with an electrical connector (not shown).
- the chassis 3 may be made of metal, plastic or other suitable material.
- the chassis 3 generally has the shape of an oblong box, for accommodating and protecting the PCB 5 .
- Three poles 313 depend from a bottom face of the plate 31 of the chassis 3 .
- Three screw holes 312 are defined in a top face of the plate 31 of the chassis 3 and through the three poles 313 respectively, corresponding to the three position holes 511 of the PCB 5 .
- a rear of the chassis 3 forms a seat 33 .
- a support plate 330 extends forwardly from a bottom of the seat 33 .
- Two screw holes 311 are defined in the chassis 3 .
- the chassis 3 has a pair of opposite side walls 32 .
- Two spaced recesses 320 are defined at a top edge of each side wall 32 , for engagement of the chassis 3 with the bottom housing 2 .
- a pair of depressions 321 is defined in opposite sides of a rear end of the chassis 3 .
- Three fastening components, such as screws 8 (only one shown), are for fixing the PCB 5 on the chassis 3 .
- the bottom housing 2 is made of metal, and has a generally U-shaped configuration.
- the bottom housing 2 has a rectangular bottom wall 20 , and two side walls 21 extending perpendicularly upwardly from the bottom wall 20 .
- Two protrusions 212 are inwardly formed at front and rear ends of a top of each side wall 21 , for engaging in the recesses 320 of the chassis 3 .
- a slot 213 is defined below each protrusion 212 of each side wall 32 .
- a rectangular opening 211 is defined in each side wall 21 below each slot 213 .
- the slots 213 and the rectangular openings 211 are for mating with the top housing 1 .
- the top housing 1 is made of metal, and has a top wall 11 .
- a shallow trough 110 is formed at a middle of the top wall 11 .
- Two annular flanges (not labeled) extend downwardly from the trough 110 .
- Two position holes 111 are respectively defined in the annular flanges, corresponding to the screw holes 311 of the chassis 3 .
- a pair of parallel grounding tabs 113 is formed near a front end of the top wall 11 of the top housing 1 .
- a pair of parallel rectangular openings 112 is defined between the grounding tabs 113 and the trough 110 , corresponding to the protuberances 442 of the receptacle 4 .
- a pair of forward side walls 14 depends from opposite sides of the top wall 11 of the top housing 1 .
- a pair of rearward side walls 12 depends from opposite sides of the top wall 11 of the top housing 1 .
- Two pairs of locking tabs 13 respectively depend from opposite sides of the top wall 11 of the top housing 1 , between the forward and rearward side walls 14 , 12 .
- a T-shaped flap 142 is inwardly formed at a bottom of each forward side wall 14 , for engaging in the T-shape grooves 441 of the receptacle 4 .
- Each forward side wall 14 has a grounding tab 113 .
- a tab 121 (best seen in FIG. 3) extends inwardly from a rear end of each rearward side wall 12 , for engaging in the depressions 321 of the chassis 3 .
- Each locking tab 13 is a rectangular plate, the size of which corresponds to each slot 213 of the bottom housing 2 .
- a spring tongue 131 is outwardly formed at a center of each locking tab 13 .
- a lower end of each spring tongue 131 is integrally joined with the locking tab 13 , and an upper end of each spring tongue 131 protrudes outwardly from the locking tab 13 .
- Two fastening components, such as screws 7 are for attaching the top housing 1 to the chassis 3 .
- a labeling tape 991 is for attachment to the optoelectronic transceiver module 99 after assembly.
- the PCB 5 and the chassis 3 are firstly attached together.
- the rear section 52 of the PCB 5 is inserted into the seat 33 of the chassis 3 .
- the poles 313 of the chassis 3 press down on the PCB 5 , and the support plate 330 of the chassis 3 supports the PCB 5 by abutting against a bottom face thereof.
- the screws 8 are extended through the position holes 511 of the PCB 5 to threadedly engage in the screw holes 312 of the poles 313 .
- the top housing 1 is then attached to the receptacle 4 and the chassis 3 .
- the screws 7 are extended through the position holes 111 of the top housing 1 to threadedly engage in the screw holes 311 of the chassis 3 .
- FIG. 4 shows the finally assembled optoelectronic transceiver module 99 .
- the labeling tape 991 is glued to the trough 110 of the top housing 1 , to show some information about the optoelectronic transceiver module 99 and to cover the screws 7 .
- the chassis 3 of the optoelectronic transceiver module 99 is preferably made of metal.
- the PCB 5 at the position holes 511 is coated with conductive material, and the conductive material is connected with a grounding circuit of the PCB 5 .
- the chassis 3 is thus electrically connected with the grounding circuit of the PCB 5 via the screws 8 which engage with the conductive coating at the position holes 511 .
- the top and bottom housings 1 , 2 electrically contact with the chassis 3 .
- the optoelectronic transceiver module 9 thus effectively forms a grounding path between the grounding circuit of the PCB 5 and the top and bottom housings 1 , 2 . Thus any static charge which develops on the top or bottom housing 1 , 2 is effectively dissipated.
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW90209364 | 2001-06-06 | ||
TW90209364U | 2001-06-06 | ||
TW090209364U TW514344U (en) | 2001-06-06 | 2001-06-06 | Optoelectric transmitting and receiving module |
Publications (2)
Publication Number | Publication Date |
---|---|
US20030000725A1 US20030000725A1 (en) | 2003-01-02 |
US6633420B2 true US6633420B2 (en) | 2003-10-14 |
Family
ID=21684361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/939,159 Expired - Lifetime US6633420B2 (en) | 2001-06-06 | 2001-08-24 | Optoelectronic transceiver module |
Country Status (2)
Country | Link |
---|---|
US (1) | US6633420B2 (en) |
TW (1) | TW514344U (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030235375A1 (en) * | 2002-06-25 | 2003-12-25 | Kamath Kishore K. | Transceivers with improved cross talk |
US20060110164A1 (en) * | 2004-11-19 | 2006-05-25 | Kirk Cook | Multiple PCBA transceiver |
US7563035B2 (en) | 2005-04-29 | 2009-07-21 | Finisar Corporation | Connector for box optical subassembly |
US8599567B2 (en) | 2010-06-10 | 2013-12-03 | Hon Hai Precision Industry Co., Ltd. | Electronic module with improved printed circuit board to maximize width thereof |
US20140010551A1 (en) * | 2012-07-06 | 2014-01-09 | Sumitomo Electric Industries, Ltd. | Optical transceiver with optical receiver electrically isolated from housing and optical transmitter with enhanced heat dissipation to housing |
US20170208395A1 (en) * | 2014-11-20 | 2017-07-20 | Goertek Inc. | Loudspeaker module |
US11177594B2 (en) * | 2020-04-09 | 2021-11-16 | Ii-Vi Delaware, Inc. | Housing for pluggable module |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI600363B (en) * | 2016-02-01 | 2017-09-21 | 鴻海精密工業股份有限公司 | Cover and communication device employing same |
CN106443913B (en) * | 2016-12-20 | 2018-04-06 | 中航海信光电技术有限公司 | Optical module packaging structure and optical module |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672685A (en) * | 1986-01-03 | 1987-06-09 | Motorola, Inc. | Dual band antenna having separate matched inputs for each band |
US5312160A (en) * | 1991-11-12 | 1994-05-17 | Larry A. Davis | Vehicle seat mounted headrest and utility console |
US5528408A (en) * | 1994-10-12 | 1996-06-18 | Methode Electronics, Inc. | Small footprint optoelectronic transceiver with laser |
US5875047A (en) * | 1995-01-09 | 1999-02-23 | Fujitsu Limited | Optical transceiver unit |
US6024500A (en) * | 1998-04-29 | 2000-02-15 | Lucent Technologies Inc. | Transceiver package |
-
2001
- 2001-06-06 TW TW090209364U patent/TW514344U/en not_active IP Right Cessation
- 2001-08-24 US US09/939,159 patent/US6633420B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672685A (en) * | 1986-01-03 | 1987-06-09 | Motorola, Inc. | Dual band antenna having separate matched inputs for each band |
US5312160A (en) * | 1991-11-12 | 1994-05-17 | Larry A. Davis | Vehicle seat mounted headrest and utility console |
US5528408A (en) * | 1994-10-12 | 1996-06-18 | Methode Electronics, Inc. | Small footprint optoelectronic transceiver with laser |
US5875047A (en) * | 1995-01-09 | 1999-02-23 | Fujitsu Limited | Optical transceiver unit |
US6024500A (en) * | 1998-04-29 | 2000-02-15 | Lucent Technologies Inc. | Transceiver package |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030235375A1 (en) * | 2002-06-25 | 2003-12-25 | Kamath Kishore K. | Transceivers with improved cross talk |
US20060110164A1 (en) * | 2004-11-19 | 2006-05-25 | Kirk Cook | Multiple PCBA transceiver |
US7563035B2 (en) | 2005-04-29 | 2009-07-21 | Finisar Corporation | Connector for box optical subassembly |
US8599567B2 (en) | 2010-06-10 | 2013-12-03 | Hon Hai Precision Industry Co., Ltd. | Electronic module with improved printed circuit board to maximize width thereof |
US20140010551A1 (en) * | 2012-07-06 | 2014-01-09 | Sumitomo Electric Industries, Ltd. | Optical transceiver with optical receiver electrically isolated from housing and optical transmitter with enhanced heat dissipation to housing |
US9172468B2 (en) * | 2012-07-06 | 2015-10-27 | Sumitomo Electric Industries, Ltd. | Optical transceiver with optical receiver electrically isolated from housing and optical transmitter with enhanced heat dissipation to housing |
US20170208395A1 (en) * | 2014-11-20 | 2017-07-20 | Goertek Inc. | Loudspeaker module |
US10321236B2 (en) * | 2014-11-20 | 2019-06-11 | Goertek Inc. | Loudspeaker module |
US11177594B2 (en) * | 2020-04-09 | 2021-11-16 | Ii-Vi Delaware, Inc. | Housing for pluggable module |
Also Published As
Publication number | Publication date |
---|---|
US20030000725A1 (en) | 2003-01-02 |
TW514344U (en) | 2002-12-11 |
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AS | Assignment |
Owner name: HON HAI PRECISION IND. CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUANG, NAN TSUNG;REEL/FRAME:012128/0900 Effective date: 20010725 |
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AS | Assignment |
Owner name: GOOGLE INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HON HAI PRECISION INDUSTRY CO., LTD;GOLD CHARM LIMITED;HONG FUJIN PRECISION INDUSTRIAL (SHENZHEN) CO.;REEL/FRAME:032743/0832 Effective date: 20140228 |
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Owner name: GOOGLE LLC, CALIFORNIA Free format text: CHANGE OF NAME;ASSIGNOR:GOOGLE INC.;REEL/FRAME:044127/0735 Effective date: 20170929 |